fix(ci): pin third-party actions to full commit SHAs

.github/workflows/boj-build.yml

@@ -27,7 +27,7 @@ jobs:
     # so an unconfigured repo is a fast no-op regardless of secret-or-var.
     steps:
       - name: Checkout
-        uses: actions/checkout@v6.0.2
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd  # v6.0.2
 
       - name: Trigger BoJ Server (Casket/ssg-mcp)
         env:

.github/workflows/codeql.yml

@@ -40,15 +40,15 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v6.0.2
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd  # v6.0.2
 
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@v4.34.0
+        uses: github/codeql-action/init@c6f931105cb2c34c8f901cc885ba1e2e259cf745  # v4.34.0
         with:
           languages: ${{ matrix.language }}
           build-mode: ${{ matrix.build-mode }}
 
       - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@v4.34.0
+        uses: github/codeql-action/analyze@c6f931105cb2c34c8f901cc885ba1e2e259cf745  # v4.34.0
         with:
           category: "/language:${{ matrix.language }}"

.github/workflows/coordination-boundary.yml

@@ -28,6 +28,6 @@ jobs:
     permissions:
       contents: read
     steps:
-      - uses: actions/checkout@v6.0.2
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd  # v6.0.2
       - name: Enforce coordination boundary
         run: bash scripts/check-coordination-boundary.sh

.github/workflows/dependabot-automerge.yml

@@ -56,7 +56,7 @@ jobs:
     steps:
       - name: Fetch Dependabot metadata
         id: meta
-        uses: dependabot/fetch-metadata@v2.2.0
+        uses: dependabot/fetch-metadata@dbb049abf0d677abbd7f7eee0375145b417fdd34  # v2.2.0
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
 

.github/workflows/dogfood-gate.yml

@@ -27,7 +27,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4.3.1
+        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5  # v4.3.1
 
       - name: Check for A2ML files
         id: detect
@@ -72,7 +72,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4.3.1
+        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5  # v4.3.1
 
       - name: Check for K9 files
         id: detect
@@ -89,7 +89,7 @@ jobs:
 
       - name: Validate K9 contracts
         if: steps.detect.outputs.k9_count > 0
-        uses: hyperpolymath/k9-ecosystem/validate-action@main
+        uses: hyperpolymath/k9-ecosystem/validate-action@c1a34884054fabf0e9de81dbf68f4ba7874e85f1  # main
         with:
           path: '.'
           strict: 'false'
@@ -122,7 +122,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4.3.1
+        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5  # v4.3.1
 
       - name: Scan for invisible characters
         id: lint
@@ -187,7 +187,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4.3.1
+        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5  # v4.3.1
 
       - name: Check for Groove manifest
         id: groove
@@ -246,7 +246,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4.3.1
+        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5  # v4.3.1
 
       - name: Check and validate eclexiaiser manifest
         id: eclex
@@ -312,7 +312,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4.3.1
+        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5  # v4.3.1
 
       - name: Generate dogfooding scorecard
         run: |

.github/workflows/guix-nix-policy.yml

@@ -22,7 +22,7 @@ jobs:
     permissions:
       contents: read
     steps:
-      - uses: actions/checkout@v6.0.2
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd  # v6.0.2
       - name: Enforce Guix primary / Nix fallback
         run: |
           # Check for package manager files

.github/workflows/instant-sync.yml

@@ -31,7 +31,7 @@ jobs:
 
       - name: Trigger Propagation
         if: steps.gate.outputs.present == 'true'
-        uses: peter-evans/repository-dispatch@v4.0.1
+        uses: peter-evans/repository-dispatch@28959ce8df70de7be546dd1250a005dd32156697  # v4.0.1
         with:
           token: ${{ secrets.FARM_DISPATCH_TOKEN }}
           repository: hyperpolymath/.git-private-farm

.github/workflows/openssf-compliance.yml

@@ -21,7 +21,7 @@ jobs:
     permissions:
       contents: read
     steps:
-      - uses: actions/checkout@v4.3.1
+      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5  # v4.3.1
         with:
           persist-credentials: false
 

.github/workflows/pages.yml

@@ -20,9 +20,9 @@ jobs:
       image: ghcr.io/stefan-hoeck/idris2-pack@sha256:f0758996a931fb35d9ecb1de273c4d59dabe2a09b433afc7e357f65a08b7e1ff
     steps:
       - name: Checkout Site
-        uses: actions/checkout@v4.4.0
+        uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262  # v4.4.0
       - name: Checkout Ddraig SSG
-        uses: actions/checkout@v4.4.0
+        uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262  # v4.4.0
         with:
           repository: hyperpolymath/ddraig-ssg
           path: .ddraig-ssg
@@ -39,7 +39,7 @@ jobs:
           fi
           ./.ddraig-ssg/build/exec/ddraig build src _site https://hyperpolymath.github.io/${GITHUB_REPOSITORY#*/}
       - name: Upload artifact
-        uses: actions/upload-pages-artifact@v3.0.1
+        uses: actions/upload-pages-artifact@56afc609e74202658d3ffba0e8f6dda462b719fa  # v3.0.1
         with:
           path: '_site'
   deploy:
@@ -52,4 +52,4 @@ jobs:
     steps:
       - name: Deploy to GitHub Pages
         id: deployment
-        uses: actions/deploy-pages@v4.0.5
+        uses: actions/deploy-pages@d6db90164ac5ed86f2b6aed7e0febac5b3c0c03e  # v4.0.5

.github/workflows/push-email-notify.yml

@@ -40,7 +40,7 @@ jobs:
     timeout-minutes: 5
     steps:
       - name: Send push notification email
-        uses: hyperpolymath/smtp-notify-action@v0.2.0 # NOSONAR — pin authority is actions.lock (sha1-ede1191ef6ff3ac02c4f4d9efdf837ee517e11d7)
+        uses: hyperpolymath/smtp-notify-action@ede1191ef6ff3ac02c4f4d9efdf837ee517e11d7  # NOSONAR — pin authority is actions.lock (sha1-ede1191ef6ff3ac02c4f4d9efdf837ee517e11d7)
         with:
           server_address: ${{ secrets.SMTP_HOST }}
           server_port: ${{ secrets.SMTP_PORT }}

.github/workflows/quality.yml

@@ -23,14 +23,14 @@ jobs:
     permissions:
       contents: read
     steps:
-      - uses: actions/checkout@v6.0.2
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd  # v6.0.2
 
       - name: Check file permissions
         run: |
           find . -type f -perm /111 -name "*.sh" | head -10 || true
 
       - name: Check for secrets
-        uses: trufflesecurity/trufflehog@v3.93.8
+        uses: trufflesecurity/trufflehog@6c05c4a00b91aa542267d8e32a8254774799d68d  # v3.93.8
         with:
           path: ./
           base: ${{ github.event.pull_request.base.sha || github.event.before }}
@@ -47,7 +47,7 @@ jobs:
           find . -type f -size +1M -not -path "./.git/*" | head -10 || echo "No large files"
 
       - name: EditorConfig check
-        uses: editorconfig-checker/action-editorconfig-checker@v2.1.0
+        uses: editorconfig-checker/action-editorconfig-checker@4b6cd6190d435e7e084fb35e36a096e98506f7b9  # v2.1.0
         continue-on-error: true
 
   docs:
@@ -56,7 +56,7 @@ jobs:
     permissions:
       contents: read
     steps:
-      - uses: actions/checkout@v6.0.2
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd  # v6.0.2
       - name: Check documentation
         run: |
           MISSING=""

.github/workflows/release.yml

@@ -23,7 +23,7 @@ jobs:
     permissions:
       contents: read
     steps:
-      - uses: actions/checkout@v6.0.2
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd  # v6.0.2
 
       - name: Detect project type and build
         id: build
@@ -87,7 +87,7 @@ jobs:
       changelog: ${{ steps.cliff.outputs.content }}
       version: ${{ steps.version.outputs.version }}
     steps:
-      - uses: actions/checkout@v6.0.2
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd  # v6.0.2
         with:
           fetch-depth: 0
 
@@ -117,7 +117,7 @@ jobs:
           git cliff --output CHANGELOG.md
 
       - name: Upload updated CHANGELOG.md
-        uses: actions/upload-artifact@v4.6.2
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02  # v4.6.2
         with:
           name: changelog
           path: CHANGELOG.md
@@ -131,7 +131,7 @@ jobs:
     permissions:
       contents: write
     steps:
-      - uses: actions/checkout@v6.0.2
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd  # v6.0.2
 
       # TODO: Download build artifacts if uploading to the release
       # - uses: actions/download-artifact@d3f86a106a0bac45b974a628896c90dbdf5c8093 # v4
@@ -140,7 +140,7 @@ jobs:
       #     path: artifacts/
 
       - name: Create GitHub Release
-        uses: softprops/action-gh-release@v2.5.0
+        uses: softprops/action-gh-release@a06a81a03ee405af7f2048a818ed3f03bbf83c7b  # v2.5.0
         with:
           body: ${{ needs.changelog.outputs.changelog }}
           draft: false

.github/workflows/rhodibot.yml

@@ -34,7 +34,7 @@ jobs:
     timeout-minutes: 15
     steps:
       - name: Checkout
-        uses: actions/checkout@v7.0.1
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1  # v7.0.1
         with:
           fetch-depth: 1
       - name: Rhodibot — detect drift (no mutations)

.github/workflows/rsr-antipattern.yml

@@ -25,7 +25,7 @@ jobs:
     permissions:
       contents: read
     steps:
-      - uses: actions/checkout@v6.0.2
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd  # v6.0.2
 
       - name: Check for TypeScript
         run: |

.github/workflows/runtime-policy.yml

@@ -37,7 +37,7 @@ jobs:
     permissions:
       contents: read
     steps:
-      - uses: actions/checkout@v6.0.2
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd  # v6.0.2
 
       - name: Report runtime tier and reject mixed toolchains
         run: |

.github/workflows/security-policy.yml

@@ -22,7 +22,7 @@ jobs:
     permissions:
       contents: read
     steps:
-      - uses: actions/checkout@v6.0.2
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd  # v6.0.2
       - name: Security checks
         run: |
           FAILED=false

.github/workflows/static-analysis-gate.yml

@@ -24,7 +24,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v6.0.2
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd  # v6.0.2
         with:
           fetch-depth: 0
 
@@ -127,7 +127,7 @@ jobs:
           echo "Skipped: panic-attack not available in this environment." >> "$GITHUB_STEP_SUMMARY"
 
       - name: Upload panic-attack findings
-        uses: actions/upload-artifact@v4.6.2
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02  # v4.6.2
         with:
           name: panic-attack-findings
           path: panic-attack-findings.json
@@ -149,14 +149,14 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v6.0.2
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd  # v6.0.2
         with:
           fetch-depth: 0
 
       - name: Setup Elixir for Hypatia scanner
         id: beam
         continue-on-error: true
-        uses: erlef/setup-beam@v1.20.4
+        uses: erlef/setup-beam@e6d7c94229049569db56a7ad5a540c051a010af9  # v1.20.4
         with:
           elixir-version: '1.19.4'
           otp-version: '28.3'
@@ -263,7 +263,7 @@ jobs:
           echo "Skipped: Hypatia scanner not available in this environment." >> "$GITHUB_STEP_SUMMARY"
 
       - name: Upload hypatia findings
-        uses: actions/upload-artifact@v4.6.2
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02  # v4.6.2
         with:
           name: hypatia-findings
           path: hypatia-findings.json
@@ -285,7 +285,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v6.0.2
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd  # v6.0.2
         with:
           fetch-depth: 0
 
@@ -352,7 +352,7 @@ jobs:
           echo "Skipped: panic-attack not available in this environment." >> "$GITHUB_STEP_SUMMARY"
 
       - name: Upload bridge report
-        uses: actions/upload-artifact@v4.6.2
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02  # v4.6.2
         with:
           name: bridge-report
           path: bridge-report.json
@@ -377,19 +377,19 @@ jobs:
 
     steps:
       - name: Download panic-attack findings
-        uses: actions/download-artifact@v4.1.8
+        uses: actions/download-artifact@fa0a91b85d4f404e444e00e005971372dc801d16  # v4.1.8
         with:
           name: panic-attack-findings
           path: findings/
 
       - name: Download hypatia findings
-        uses: actions/download-artifact@v4.1.8
+        uses: actions/download-artifact@fa0a91b85d4f404e444e00e005971372dc801d16  # v4.1.8
         with:
           name: hypatia-findings
           path: findings/
 
       - name: Download bridge report
-        uses: actions/download-artifact@v4.1.8
+        uses: actions/download-artifact@fa0a91b85d4f404e444e00e005971372dc801d16  # v4.1.8
         with:
           name: bridge-report
           path: findings/
@@ -451,7 +451,7 @@ jobs:
           echo "low=$LOW"           >> "$GITHUB_OUTPUT"
 
       - name: Upload unified findings (fleet scanner picks these up)
-        uses: actions/upload-artifact@v4.6.2
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02  # v4.6.2
         with:
           name: unified-findings
           path: findings/unified-findings.json

.github/workflows/wellknown-enforcement.yml

@@ -26,7 +26,7 @@ jobs:
     permissions:
       contents: read
     steps:
-      - uses: actions/checkout@v6.0.2
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd  # v6.0.2
 
       - name: RFC 9116 security.txt validation
         run: |

.github/workflows/workflow-linter.yml

@@ -25,7 +25,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v6.0.2
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd  # v6.0.2
 
       - name: Check SPDX Headers
         run: |